#!/usr/bin/env python
#
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""A script that handles user authentication for the Wi-Fi Dashboard."""
__author__ = "Joey Freeland (joeyfreeland@gmail.com)"

import webapp2

from google.appengine.api import users


class LoginPage(webapp2.RequestHandler):
  """Handle user login attempts."""

  def get(self):
    """Handle get requests for attempted user logins."""
    # TODO(joeyfreeland): I should probably just move this to tools.py.
    user = users.get_current_user()
    continue_url = self.request.GET.get("continue")
    if user:
      self.redirect(continue_url)
    else:
      self.redirect(users.create_login_url(self.request.uri))
      self.response.out.write("Please sign in or register.")


app = webapp2.WSGIApplication([("/_ah/login_required", LoginPage),
                              ],
                              debug=True)


def main():
  app.run()


if __name__ == "__main__":
  main()
